CN212485122U

CN212485122U - Direct-insertion type current transformer

Info

Publication number: CN212485122U
Application number: CN202021146843.XU
Authority: CN
Inventors: 石殷楠; 丁明
Original assignee: Yixing Zhongrui Electronic Technical Co ltd
Current assignee: Yixing Zhongrui Electronic Technical Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-02-05
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a direct insertion type current transformer, which comprises a power measuring main body and a base, wherein a power taking felting needle is arranged inside the base, a protective sleeve is arranged outside the needle point of the power taking felting needle, the inner wall of a port of the protective sleeve, which is far away from the needle point, is fixedly connected with a slide rail, the outer side surface of the power taking felting needle is provided with a slide groove, the slide rail is fixed inside the slide groove, the inner wall of the slide groove, which is close to the needle point, is fixedly connected with a reset spring, the other end of the reset spring is fixed on the outer end surface of the slide; through the lag tube of design, solved present get the electric felting needle sharp-pointed and do not have the protection to lead to producing the problem of fish tail to the staff in the use easily, the daily parcel of lag tube lives the needle point of getting the electric felting needle, gets the electric felting needle and impales cable in-process lag tube and slides to the rear end along the spout, gets the electric felting needle and finishes using the lag tube and resets under reset spring pulling and continuously protect and get the electric felting needle.

Description

Direct-insertion type current transformer

Technical Field

The utility model belongs to the technical field of current transformer, concretely relates to cut straightly type current transformer.

Background

In the current market, in order to monitor line faults in real time, the current signal, the voltage signal and the temperature of a cable need to be acquired, and the current transformer appearing on the current market still has various defects and cannot meet the requirements of production and life.

For example, the current transformer has sharp current-taking needle point and no protection, so that the problem that a worker is scratched in the using process is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cut straightly type current transformer to it gets sharp and the nothing protection of electric thorn needle point to solve the present current transformer that proposes in the above-mentioned background art, thereby leads to producing the problem of fish tail to the staff in the use easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insert type current transformer directly, is including surveying electric main part and base, the inside of base is provided with gets the electricity felting needle, the needle point outside of getting the electricity felting needle is provided with protective sleeve, protective sleeve keeps away from the port inner wall fixedly connected with slide rail in the needle point, get the outside surface of electricity felting needle and seted up the spout, the inside at the spout is fixed to the slide rail, the spout is close to the inner wall fixedly connected with reset spring who is close to the needle point, reset spring's the other end is fixed on the outer end surface of slide rail, the outer end surface of slide rail is.

Preferably, survey the electricity main part and be the ring structure, fixedly connected with fixed axle between the one end of surveying the electricity main part, fixedly connected with is fixed to be detained between the other end of surveying the electricity main part.

Preferably, the inside of electricity measuring main body is provided with a fixing clamping groove, the inner wall of the fixing clamping groove is fixedly connected with a framework, and the inner part of the framework is fixedly connected with a magnetic core.

Preferably, the base is attached to and fixed on the outer side surface of the electricity measuring main body, a clamping baffle is arranged at one end, away from the electricity taking puncture needle, of the top of the base, and a second screw is fixedly connected between the clamping baffle and the base.

Preferably, a first screw rod is fixedly connected between the electricity taking felting needle and the base, the first screw rod and the second screw rod both penetrate through the base and are fixedly connected with a knob, and anti-skid grains are arranged on the outer side of the end part of the knob.

Preferably, the electricity measuring main body is provided with a temperature measuring element in the inner part close to the electricity taking pricker, the temperature measuring element and the electricity taking pricker are fixedly attached, and the top of the base is fixedly connected with a plastic screw at the top end of the first screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the protective sleeve of design, it gets sharp and nothing of electric needle point to it has solved present current transformer to lead to producing the problem of fish tail to the staff in the use easily, the daily parcel of protective sleeve is lived the needle point of getting the electric needle, gets electric needle and pierces through the protective sleeve and slides to the rear end along the spout in-process cable, gets electric needle and finishes using protective sleeve and resets under reset spring pulling and continuously protect and get the electric needle.

2. Through the electricity main part of surveying of design, get electric needle and temperature element, solved present survey electric current, temperature measurement and get the voltage and be the detached problem that needs three equipment, adopt current transformer to go the electric current signal, be in the same place temperature element and the getting electric needle combination of getting voltage, the temperature of needle both can get the voltage, again can direct perception cable.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the main structure of the electricity testing device of the present invention;

FIG. 3 is a schematic view of the structure of the electricity-taking needle of the present invention;

fig. 4 is a schematic structural view of the protective sleeve of the present invention;

fig. 5 is a schematic view of the slide rail structure of the present invention.

In the figure: 1. testing the electricity main body; 2. taking a current-obtaining pricking pin; 3. a plastic screw; 4. a first screw; 5. a knob; 6. a second screw; 7. a base; 8. clamping the baffle; 9. a fixing buckle; 10. a framework; 11. a magnetic core; 12. a fixed shaft; 13. fixing the clamping groove; 14. a temperature measuring element; 15. a protective sleeve; 16. a return spring; 17. a slide rail; 18. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a direct insertion type current transformer comprises a power measuring main body 1 and a base 7, wherein a power taking puncture needle 2 is arranged inside the base 7, a protective sleeve 15 is arranged outside a needle point of the power taking puncture needle 2, the protective sleeve 15 prevents the power taking puncture needle 2 from scratching workers in the using process, a sliding rail 17 is fixedly connected to the inner wall of a port of the protective sleeve 15, which is far away from the needle point, a sliding groove 18 is formed in the outer side surface of the power taking puncture needle 2, the sliding rail 17 is fixed inside the sliding groove 18, the protective sleeve 15 slides to the rear end along the sliding groove 18 through the sliding rail 17 in the cable puncturing process of the power taking puncture needle 2, the protective sleeve 15 does not influence the normal use of the power taking puncture needle 2, a reset spring 16 is fixedly connected to the inner wall of the sliding groove 18, the other end of the reset spring 16 is fixed on the outer end surface of the, the outer end surface of the slide rail 17 is in a circular arc structure.

Furthermore, the electricity measuring main body 1 is of a circular ring structure, a fixed shaft 12 is fixedly connected between one end of the electricity measuring main body 1, a fixing buckle 9 is fixedly connected between the other end of the electricity measuring main body 1, a fixing clamping groove 13 is formed in the electricity measuring main body 1, the problem that the precision of an open current transformer is changed due to the fact that a joint surface is staggered in the construction process is solved, a framework 10 is fixedly connected to the inner wall of the fixing clamping groove 13, a magnetic core 11 is fixedly connected to the inner portion of the framework 10, a base 7 is fixedly attached to the outer side surface of the electricity measuring main body 1, the current transformer integrates three functions of current measurement, temperature measurement and voltage acquisition, a clamping baffle 8 is arranged at one end, away from the electricity taking puncture needle 2, of the top of the base 7, a second screw 6 is fixedly connected between the clamping baffle 8 and the, first screw rod 4 and second screw rod 6 all run through base 7 fixedly connected with knob 5, anti-skidding line has been seted up in the tip outside of knob 5, electricity measuring main body 1 is provided with temperature element 14 near the inside of getting electric felting needle 2, temperature element 14 and get electric felting needle 2 between the laminating fixed, get electric felting needle 2 both can get the voltage, can directly perceive the temperature of cable again, through getting electric felting needle 2, temperature element 14 just can directly perceive the cable temperature, the top fixedly connected with plastic screw 3 of first screw rod 4 at the top of base 7, it is not hard up to solve current transformer and take place to get electric felting needle 2 at the in-process of in-service use, produce contact failure, lead to getting the phenomenon of electricity inefficacy.

The utility model discloses a theory of operation and use flow: after the device is installed, the protecting sleeve 15 is used for daily wrapping the needle point of the electricity taking puncture needle 2, the protecting sleeve 15 prevents the electricity taking puncture needle 2 from scratching workers in the using process, the protecting sleeve 15 slides to the rear end along the sliding groove 18 through the sliding rail 17 in the cable piercing process of the electricity taking puncture needle 2, the protecting sleeve 15 does not influence the normal use of the electricity taking puncture needle 2, the protecting sleeve 15 is reset under the pulling of the reset spring 16 after the electricity taking puncture needle 2 is used, the electricity taking puncture needle 2 is continuously protected, the current transformer measures the current, three functions of temperature measurement and voltage acquisition are integrated together, adopt electricity measuring main body 1 to survey current signal, combine temperature element 14 with get electric felting needle 2 of getting voltage together, get electric felting needle 2 both can get voltage, can directly perceive the temperature of cable again, through getting electric felting needle 2, temperature element 14 just can directly perceive the cable temperature.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an insert type current transformer directly, includes electricity measuring body (1) and base (7), its characterized in that: the electric needle is characterized in that an electric needle (2) is arranged inside the base (7), a protective sleeve (15) is arranged outside a needle point of the electric needle (2), a sliding rail (17) is fixedly connected to the inner wall of a port, far away from the needle point, of the protective sleeve (15), a sliding groove (18) is formed in the outer side surface of the electric needle (2), the sliding rail (17) is fixed inside the sliding groove (18), a reset spring (16) is fixedly connected to the inner wall, close to the needle point, of the sliding groove (18), the other end of the reset spring (16) is fixed to the outer end surface of the sliding rail (17), and the outer end surface of the sliding rail (17) is.

2. An in-line current transformer according to claim 1, characterized in that: survey electric main part (1) and be the ring structure, fixedly connected with fixed axle (12) between the one end of surveying electric main part (1), fixedly connected with fixed knot (9) between the other end of surveying electric main part (1).

3. An in-line current transformer according to claim 1, characterized in that: survey the inside of electricity main part (1) and seted up fixed slot (13), the inside inner wall fixedly connected with skeleton (10) of fixed slot (13), the inside fixedly connected with magnetic core (11) of skeleton (10).

4. An in-line current transformer according to claim 1, characterized in that: base (7) laminating is fixed and is being surveyed the outside surface of electricity main part (1), the top of base (7) is provided with and presss from both sides tight baffle (8) keeping away from the one end of getting electric felting needle (2), fixedly connected with second screw rod (6) between pressing from both sides tight baffle (8) and base (7).

5. An in-line current transformer according to claim 1, characterized in that: get fixedly connected with first screw rod (4) between electricity felting needle (2) and base (7), first screw rod (4) and second screw rod (6) all run through base (7) fixedly connected with knob (5), the tip outside of knob (5) has seted up anti-skidding line.

6. An in-line current transformer according to claim 5, characterized in that: the electricity measuring main body (1) is provided with a temperature measuring element (14) in the inner part close to the electricity taking pricker (2), the temperature measuring element (14) and the electricity taking pricker (2) are fixedly attached, and the top of the base (7) is fixedly connected with a plastic screw (3) at the top end of the first screw rod (4).